CN109020039A - A kind of system and method using magnetic bead Removal of Phosphorus in Wastewater in flyash - Google Patents
A kind of system and method using magnetic bead Removal of Phosphorus in Wastewater in flyash Download PDFInfo
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- CN109020039A CN109020039A CN201810750125.4A CN201810750125A CN109020039A CN 109020039 A CN109020039 A CN 109020039A CN 201810750125 A CN201810750125 A CN 201810750125A CN 109020039 A CN109020039 A CN 109020039A
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- phosphorus
- magnetic bead
- wastewater
- flyash
- coagulant
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- 239000011324 bead Substances 0.000 title claims abstract description 71
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 63
- 239000011574 phosphorus Substances 0.000 title claims abstract description 63
- 239000002351 wastewater Substances 0.000 title claims abstract description 60
- 239000010881 fly ash Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000701 coagulant Substances 0.000 claims abstract description 33
- 238000007781 pre-processing Methods 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 230000008901 benefit Effects 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000000356 contaminant Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 239000010802 sludge Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 229920002401 polyacrylamide Polymers 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 238000009736 wetting Methods 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 238000005189 flocculation Methods 0.000 claims description 8
- 230000016615 flocculation Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 239000001828 Gelatine Substances 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 5
- 229920000159 gelatin Polymers 0.000 claims description 5
- 235000019322 gelatine Nutrition 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical group [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 2
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000007885 magnetic separation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 25
- 229910019142 PO4 Inorganic materials 0.000 description 5
- 239000010452 phosphate Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241000537371 Fraxinus caroliniana Species 0.000 description 1
- 235000010891 Ptelea trifoliata Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006148 magnetic separator Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
Abstract
The present invention relates to a kind of system and method using magnetic bead Removal of Phosphorus in Wastewater in flyash, system includes pre-processing device, mixing plant and high gradient magnetic separating apparatus；Pre-processing device, mixing plant and high gradient magnetic separating apparatus are sequentially connected；Pre-processing device pre-processes phosphorus-containing wastewater for coagulant and/or flocculant to be added and contains phosphorus concentration within 15 mg/L；Mixing plant makes phosphorus-containing wastewater and magnetic bead that chemisorption formation reunion occur for coagulant and magnetic bead stirring to be added；High gradient magnetic separating apparatus, which is used to separate in phosphorus-containing wastewater, contains phosphor contaminant；Scheme system provided by the invention is simple, design is reasonable, and occupied area is small, and required time is short, and treating capacity is big；And the advantages that increasing high gradient magnetic separation technical treatment city phosphorus-containing wastewater with magnetic bead is the treatment of wastes with processes of wastes against one another, is achieved many things at one stroke, and the removal rate of Phosphorus From Wastewater is good, high-efficient, speed is fast, treating capacity is big compared with traditional handicraft effect.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to a kind of to utilize magnetic bead Removal of Phosphorus in Wastewater in flyash
System and method.
Background technique
In recent years, many experimental studies in relation to Coal Ash Treating Wastewater are reported both at home and abroad, but majority is all only limitted to examine
Flyash is examined in the adsorbance or removal efficiency of pollutant, and does not consider how this method is applied in practice, wherein main
Be handling problems grey after how water ash separates and separate；And these are extremely difficult to the practical problem solved.
Since surface is positively charged in water for magnetic bead, agglomerates are negatively charged, and there are certain electrostatic attractions between them；
Fly ash bead surface porosity is big, fine size, large specific surface area, and surface can be high, reduces water pollutant by absorption；Fine coal
There is many aluminium, silicon active site for grey magnetic bead surfaces, this makes that chemisorption occurs between magnetic bead and phosphate radical；But total comes
It sees, wherein physical absorption is occupied an leading position, and by physical absorption, magnetic bead is adhered to each other with phosphate-containing floc sedimentation, passes through high ladder
Magneto separate is spent, reaches and is separated from water.There is not the specific processing method particularly with regard to phosphorus-containing wastewater in the prior art.
Summary of the invention
The present invention devises a kind of system and method using magnetic bead Removal of Phosphorus in Wastewater in flyash, utilizes flyash
Magnetic part (magnetic bead) is used as magnetic kind, with the scheme of High-gradient Magnetic separation (HGMS) technical treatment waste water, solves phosphorus-containing wastewater
Handling problems.
In order to solve above-mentioned technical problem, present invention employs following scheme:
A kind of system using magnetic bead Removal of Phosphorus in Wastewater in flyash, including pre-processing device, mixing plant and high gradient
Magnetic separating apparatus；Pre-processing device, mixing plant and high gradient magnetic separating apparatus are sequentially connected；Pre-processing device is for being added
Coagulant and/or flocculation aid pre-process phosphorus-containing wastewater containing phosphorus concentration within 15 mg/L；Mixing plant is for being added coagulant
Make phosphorus-containing wastewater and magnetic bead that chemisorption occur with magnetic bead stirring and forms reunion；High gradient magnetic separating apparatus is phosphorous useless for separating
Contain phosphor contaminant in water.
It further, further include having clean wetting system and sludge plant；Clean wetting system and sludge plant are terraced with height respectively
Spend magnetic separating apparatus connection；Clean wetting system is used to receive the clean water after phosphorus-containing wastewater separation；Sludge plant contains for receiving
Sludge after the separation of phosphorus waste water.
It further, further include having recoil equipment, recoil equipment is non-magnetic field device；The equipment that recoils and sludge plant connect
It is logical；The magnetic bead that recoil equipment is used to rinse in sludge plant.
It further, further include having dehydration equipment；Dehydration equipment is connected to pre-processing device with sludge plant respectively；Sludge
Pre-processing device is flowed by the supernatant that dehydration equipment is dehydrated.
Further, pre-processing device includes first order processing section and second level processing section；The first order processing be lime and
Coagulant processing section；Second level processing section is flocculant PAM processing section.
Further, the coagulant in mixing plant includes aluminum sulfate and gelatine.
Correspondingly, the present invention also provides a kind of methods using magnetic bead Removal of Phosphorus in Wastewater in flyash, including above-mentioned institute
The system using magnetic bead Removal of Phosphorus in Wastewater in flyash stated；It is further comprising the steps of:
S1: phosphorus-containing wastewater is delivered to by pre-processing device by water pump power, coagulant is added and/or is pre-processed, makes to contain
Phosphorus waste water is containing phosphorus concentration within 15 mg/L；Coagulant is aluminium polychloride；Flocculation aid is polyacrylamide；
S2: obtaining solution for SI step and be delivered in mixing plant, and coagulant and magnetic bead is added and is stirred to react, make phosphorus-containing wastewater and
Magnetic bead occurs chemisorption and forms reunion；Coagulant is aluminium polychloride；
S3: S2 step is obtained into solution and is delivered to high gradient magnetic separating apparatus progress separating treatment, to obtain clean water and sludge.
The system has the advantages that
Scheme system provided by the invention is simple, design is reasonable, and only need to increase magnetic bead filtration system in traditional handicraft can be real
It is existing；It is more superior than prior art using the HGMS technology of magnetic bead；System footprint area provided by the invention is small, institute
It takes time short, treating capacity is big；And increasing high gradient magnetic separation technical treatment city phosphorus-containing wastewater with magnetic bead is the treatment of wastes with processes of wastes against one another, at one stroke
The advantages that obtain, and the removal rate of Phosphorus From Wastewater is good, high-efficient, speed is fast, treating capacity is big compared with traditional handicraft effect more.
Detailed description of the invention
A kind of Fig. 1: system structure diagram using magnetic bead Removal of Phosphorus in Wastewater in flyash of the present invention.
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
Fig. 1 show a kind of system using magnetic bead Removal of Phosphorus in Wastewater in flyash, including pre-processing device, mixing plant with
And high gradient magnetic separating apparatus；Pre-processing device, mixing plant and high gradient magnetic separating apparatus are sequentially connected；Pre-processing device
Phosphorus-containing wastewater is pre-processed for coagulant and/or flocculation aid to be added containing phosphorus concentration within 15 mg/L, pre-processing device
Coagulant is aluminium polychloride (PAC)；Flocculation aid is polyacrylamide (PAM)；Specifically: the pre-processing device first order adds stone
Ash adjustment pH value and coagulation, pH value are controlled in 10.5-11, and the second level adds flocculant PAM, after reaction is sufficiently stirred certainly
It is flow to mixing plant, phosphorous concentration needs to control within 15 mg/L after processing equipment processing；Mixing plant is for being added
Coagulant and magnetic bead stirring make phosphorus-containing wastewater and magnetic bead that chemisorption formation reunion occur, and the coagulant of stirring setting is polymerization
Aluminium chloride (PAC)；Specifically: aluminum sulfate is added in mixing plant and is sufficiently stirred with coagulant such as gelatine and reacts, and controls pH
Magnetic bead is added after 9-10 or so, reaction, magnetic bead concentration is controlled in 3g/L；There is many aluminium, silicon are living on Fly ash bead surface
Property point, this makes that chemisorption occurs between magnetic bead and phosphate radical, and agglomerates wadding is negatively charged, exists between them certain quiet
Electric attraction forms and reunites；Reaction waste enters high gradient magnetic separating apparatus；High gradient magnetic separating apparatus is for separating phosphorus-containing wastewater
In contain phosphor contaminant, specifically: in high gradient magnetic separating apparatus, magnetic kind is carried in sewage contain phosphor contaminant is separated
Out, clean water and sludge are obtained, clean water flows into clean water storage facilities, and sludge enters sludge plant；In phosphate-containing waste water
Middle addition coagulant and magnetic bead, after agitated, into high gradient magnetic separator, magnetic kind carries in sewage is divided containing phosphor contaminant
It separates out, obtains clean water and sludge, magnetic bead is obtained after rinsing sludge with back-flushing in non-magnetic field, reused.
Preferably, in conjunction with above scheme, as shown in Figure 1, further including thering is clean wetting system and sludge to set in the present embodiment
It is standby；Clean wetting system is connected to high gradient magnetic separating apparatus respectively with sludge plant；Clean wetting system is for receiving phosphorus-containing wastewater
Clean water after separation, and automatically flow into the next step and handled；After sludge plant is for receiving phosphorus-containing wastewater separation
Sludge.
Preferably, in conjunction with above scheme, as shown in Figure 1, further including having recoil equipment in the present embodiment, recoil equipment is
Non-magnetic field device；Recoil equipment is connected to sludge plant；The magnetic bead that recoil equipment is used to rinse in sludge plant, and magnetic bead is returned
Receipts are back to mixing plant and are reused.
It preferably, further include having dehydration equipment in the present embodiment in conjunction with above scheme；Dehydration equipment respectively and pretreatment
Equipment is connected to sludge plant；After sludge is dehydrated by dehydration equipment, supernatant flows into pre-processing device, carries out secondary treatment.
Preferably, in conjunction with above scheme, in the present embodiment, pre-processing device includes first order processing section and second level processing
Section；First order processing is lime and coagulant processing section；Second level processing section is flocculant PAM processing section；In the present embodiment, the
One processing section is roughing, second processing section is selected or the first processing section sorting tailing is scanned through second processing section, can must be closed
Lattice product, the rate of recovery of magnetic bead is up to 70% or more after two sections handle stages of magnetic separation.
In application scheme, the magnetic bead partial size of recycling at 30~80 μm, used as magnetic kind it is appropriate, because of magnetic kind granularity
Smaller, quantity is more, and effect of inoculation is better, but can not be too small, is otherwise difficult to circulating purification recycling；Magnetic bead is in dark brown
Color has semimetallic lustre, ferromagnetism and electric conductivity, and density is in 3.8g/cm3 or so, magnetic material content about 96%, main component
For Fe3O4, Fe2O3, partial size is between 30~80 μm.
Correspondingly, in conjunction with above scheme, the present invention also provides a kind of sides using magnetic bead Removal of Phosphorus in Wastewater in flyash
Method, including the system described above using magnetic bead Removal of Phosphorus in Wastewater in flyash；It is further comprising the steps of:
S1: phosphorus-containing wastewater is delivered to by pre-processing device by water pump power, coagulant is added and/or is pre-processed, makes to contain
Phosphorus waste water is containing phosphorus concentration within 15 mg/L；Coagulant is aluminium polychloride (PAC)；Flocculation aid is polyacrylamide (PAM)；
S2: obtaining solution for SI step and be delivered in mixing plant, and coagulant and magnetic bead is added and is stirred to react, make phosphorus-containing wastewater and
Magnetic bead occurs chemisorption and forms reunion；Coagulant is aluminium polychloride (PAC)；
S3: S2 step is obtained into solution and is delivered to high gradient magnetic separating apparatus progress separating treatment, to obtain clean water and sludge.
It preferably, further include first order processing and second level processing in S1 step in the present embodiment in conjunction with above scheme；
The first order handles S11: lime is added, adjusts pH value and coagulant, pH value is controlled 10.5 to 11；
The second level handles S12: flocculant PAM is added.
Preferably, in conjunction with above scheme, in the present embodiment, in S2 step, coagulant includes aluminum sulfate and gelatine；Further include
Following steps:
S21: control pH value adds magnetic bead in 9 to 10 ranges, and magnetic bead concentration is controlled in 3g/L；It deposits on Fly ash bead surface
In many aluminium, silicon active site, this makes that chemisorption occurs between magnetic bead and phosphate radical, and agglomerates wadding is negatively charged, they
Between there are certain electrostatic attraction, formed and reunited；Reaction waste enters high gradient magnetic separating apparatus.
Preferably, further comprising the steps of in the present embodiment in conjunction with above scheme:
S4: S3 step is obtained into clean water and is stored in clean wetting system, and automatically flows into next process；
S5: returning again to after the magnetic bead in S3 step is rinsed in non-magnetic field by back-flushing into mixing plant, carries out repeating benefit
With；
S6: S3 step is obtained into sludge and is returned again to by dehydration to pre-processing device, secondary treatment is carried out.
Using the above scheme, so that scheme provided by the invention has the advantages that
Scheme system provided by the invention is simple, design is reasonable, and only need to increase magnetic bead filtration system in traditional handicraft can be real
It is existing；It is more superior than prior art using the HGMS technology of magnetic bead；System footprint area provided by the invention is small, institute
It takes time short, treating capacity is big；And increasing high gradient magnetic separation technical treatment city phosphorus-containing wastewater with magnetic bead is the treatment of wastes with processes of wastes against one another, at one stroke
The advantages that obtain, and the removal rate of Phosphorus From Wastewater is good, high-efficient, speed is fast, treating capacity is big compared with traditional handicraft effect more.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that realization of the invention is not by aforesaid way
Limitation, as long as use the inventive concept and technical scheme of the present invention carry out various improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, be within the scope of the invention.
Claims (10)
1. a kind of system using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that set including pre-processing device, stirring
Standby and high gradient magnetic separating apparatus；The pre-processing device, the mixing plant and the high gradient magnetic separating apparatus according to
Secondary connection；
The pre-processing device pre-processes phosphorus-containing wastewater for coagulant and/or flocculation aid to be added containing phosphorus concentration in 15 mg/L
Within；
The mixing plant makes phosphorus-containing wastewater and magnetic bead that chemisorption formation reunion occur for coagulant and magnetic bead stirring to be added；
The high gradient magnetic separating apparatus, which is used to separate in phosphorus-containing wastewater, contains phosphor contaminant.
2. the system according to claim 1 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that further include
There are clean wetting system and sludge plant；It is described cleaning wetting system and the sludge plant respectively with the high gradient magnetic separating apparatus
Connection；The cleaning wetting system is used to receive the clean water after phosphorus-containing wastewater separation；The sludge plant is phosphorous useless for receiving
Sludge after water separation.
3. the system according to claim 2 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that further include
There is recoil equipment, the recoil equipment is non-magnetic field device；The recoil equipment is connected to the sludge plant；The recoil is set
It is ready for use on the magnetic bead rinsed in the sludge plant.
4. the system according to claim 2 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that further include
There is dehydration equipment；The dehydration equipment is connected to the pre-processing device with the sludge plant respectively；The sludge passes through institute
It states the supernatant that dehydration equipment is dehydrated and flows into pre-processing device.
5. the system according to claim 1 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that described pre-
Processing equipment includes first order processing section and second level processing section；The first order processing is lime and coagulant processing section；Institute
Stating second level processing section is flocculant PAM processing section.
6. the system according to claim 1 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that described to stir
Coagulant in mixing equipment includes aluminum sulfate and gelatine.
7. a kind of method using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that including benefit described in claim 1
With the system of magnetic bead Removal of Phosphorus in Wastewater in flyash；It is further comprising the steps of:
S1: phosphorus-containing wastewater is delivered to by pre-processing device by water pump power, coagulant is added and/or flocculation aid is located in advance
Reason makes phosphorus-containing wastewater containing phosphorus concentration within 15 mg/L；Coagulant is aluminium polychloride；Flocculation aid is polyacrylamide；
S2: obtaining solution for SI step and be delivered in mixing plant, and coagulant and magnetic bead is added and is stirred to react, make phosphorus-containing wastewater and
Magnetic bead occurs chemisorption and forms reunion；Coagulant is aluminium polychloride；
S3: S2 step is obtained into solution and is delivered to high gradient magnetic separating apparatus progress separating treatment, to obtain clean water and sludge.
8. the method according to claim 7 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that the S1
It further include first order processing and second level processing in step；
The first order handles S11: lime is added, adjusts pH value and coagulant, pH value is controlled 10.5 to 11；
The second level handles S12: flocculant PAM is added.
9. the method according to claim 7 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that the S2
In step, coagulant includes aluminum sulfate and gelatine；It is further comprising the steps of:
S21: control pH value adds magnetic bead in 9 to 10 ranges, and magnetic bead concentration is controlled in 3g/L.
10. the method according to claim 7 using magnetic bead Removal of Phosphorus in Wastewater in flyash, which is characterized in that also wrap
Include following steps:
S4: S3 step is obtained into clean water and is stored in clean wetting system；
S5: it returns again to after the magnetic bead in S3 step is rinsed in non-magnetic field by back-flushing into mixing plant；
S6: S3 step is obtained into sludge and is returned again to by dehydration to pre-processing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810750125.4A CN109020039A (en) | 2018-07-10 | 2018-07-10 | A kind of system and method using magnetic bead Removal of Phosphorus in Wastewater in flyash |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810750125.4A CN109020039A (en) | 2018-07-10 | 2018-07-10 | A kind of system and method using magnetic bead Removal of Phosphorus in Wastewater in flyash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851008A (en) * | 2019-03-11 | 2019-06-07 | 广东省资源综合利用研究所 | A kind of Magneto separate formula waste water treatment process and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882895A (en) * | 2017-03-27 | 2017-06-23 | 坎布里奇环保科技(北京)有限公司 | A kind of processing method of high concentration organism P wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882895A (en) * | 2017-03-27 | 2017-06-23 | 坎布里奇环保科技(北京)有限公司 | A kind of processing method of high concentration organism P wastewater |
Non-Patent Citations (4)
| Title |
|---|
| 王龙贵: "回收粉煤灰中磁珠处理含磷废水", 《中国矿业》 * |
| 王龙贵: "回收粉煤灰中磁珠处理含磷废水", 《煤炭科学技术》 * |
| 王龙贵: "回收粉煤灰磁珠在污水处理中的应用", 《环境污染治理技术与设备》 * |
| 王龙贵: "粉煤灰中磁珠的回收及用于含磷废水的处理", 《粉煤灰综合利用》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109851008A (en) * | 2019-03-11 | 2019-06-07 | 广东省资源综合利用研究所 | A kind of Magneto separate formula waste water treatment process and device |
| CN109851008B (en) * | 2019-03-11 | 2022-03-22 | 广东省资源综合利用研究所 | Magnetic separation type wastewater treatment process and device |
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